Traits name details
original description
(of ) Ryckholt, Philippe de (Baron). (1851). Mélanges paléontologiques. Part 1. <em>Memoires Couronnes et Memoires des Savants Etrangers de l'Academie Royale des Sciences, des Lettres et des Beaux-Arts de Belgique.</em> 24: 1-176, plates 1-10., available online at https://biodiversitylibrary.org/page/2718124 page(s): 105-106, pl. 6, figs 12, 13 [details] 
basis of record
Amalitzky, W. (1892). Ueber die Anthracosien der Permformation Russlands. <em>Palaeontographica.</em> 39: 125–212., available online at https://www.biodiversitylibrary.org/page/33297224 page(s): 147-148, pl. 19, figs 11-13 [details]
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